SCI_1999-08-08_S1T01.flac:6dface7b3fa6aeda696ecd83e1961225 SCI_1999-08-08_S1T02.flac:52ca4224cc97fd227dd59c9d11f0a9c0 SCI_1999-08-08_S1T03.flac:84290614f7c2de1a457b9bb6be67fb8a SCI_1999-08-08_S1T04.flac:0db2e7c26fbae45e94901e5977e6af7e SCI_1999-08-08_S1T05.flac:43deaf2e99f737245e8dd2f66d264b1e SCI_1999-08-08_S1T06.flac:c8b336bc82d68ada5e2e438475ee8ef1 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned